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Finding the Fourth Proportional to 8,773.60, 13,157.28 and 3,841.76

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Solution

The fourth proportional to 8,773.60, 13,157.28 and 3,841.76 is: 5,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.60 : 13,157.28 = 3,841.76 : x
  2. Step 2: Convert to fraction form
    8,773.60/13,157.28 = 3,841.76/x
  3. Step 3: Cross multiply
    8,773.60x = 13,157.28 × 3,841.76
  4. Step 4: Simplify right side
    8,773.60x = 50,547,112.01
  5. Step 5: Solve for x
    x = 50,547,112.01/8,773.60
  6. Step 6: Final answer
    x = 5,761.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.